Given in a single JSP page： <%@ taglib prefix=’java’ uri=’myTags’ %> <%@ taglib prefix=’JAVA’ uri=’moreTags’ %>  Which two are true？（）

• A、The prefix ’java’ is reserved.
• B、The URI ’myTags’ must be properly mapped to a TLD file by the web container.
• C、A translation error occurs because the prefix is considered identical by the web container.
• D、For the tag usage ， the tag1 must be unique in the union of tag names in ’myTags’ and’moreTags’.